package com.citywy.controller;

import com.citywy.domain.Book;
import com.citywy.service.BookService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;

import java.util.List;

@RestController
@RequestMapping("/books")
public class BookController {
    @Autowired
    private BookService bookService;

    @PostMapping
    public Result save(@RequestBody Book book){
        boolean flag = bookService.save(book);
        return new Result(flag? Code.SAVE_OK: Code.SAVE_ERR,flag);
    }

    @PutMapping
    public Result update(@RequestBody Book book){
        boolean flag = bookService.update(book);
        return new Result(flag? Code.UPDATE_OK: Code.UPDATE_ERR,flag);
    }

    @DeleteMapping("/{id}")
    public Result delete(@PathVariable Integer id){
        boolean flag = bookService.delete(id);
        return new Result(flag? Code.DELETE_OK: Code.DELETE_ERR,flag);
    }

    @GetMapping("/{id}")
    public Result getById(@PathVariable Integer id){
        Book book = bookService.getById(id);
        Integer code = book !=null?Code.GET_OK:Code.GET_ERR;
        String msg = book !=null?"":"数据查询失败，请重试！";
        return new Result(code,book,msg);
    }

    @GetMapping
    public Result getAll(){
        List<Book> bookList = bookService.getAll();
        Integer code = bookList!=null ? Code.GET_OK:Code.GET_ERR;
        String msg = bookList!=null ? "":"数据查询失败，请重试！";
        return new Result(code,bookList,msg);
    }

}
